Operating mode
Two operating modes are available:
1.
Bivalent alternative
2.
Monoenergetic
Menu item
Parameter
Factory setting
Operating mode selection
Monoenergetic
Monoenergetic
Bivalent alternative
Selection of the auxiliary heat generator:
- Bivalent alternative (heat pump or oil/gas-fired boiler or wall heating)
- Monoenergetic (heat pump and/or Smart Serv electric heating element) according to usable limits
The operating mode of the internal pump in the indoor unit must be defined here in the level “Expert
"
Set-
tings
"
Auxiliary heat generator
"
Internal pump".
Domestic hot-water heating
Optionally, you can activate or deactivate the "Domestic hot-water heating" function. Activate domestic hot-
water heating if domestic water has to be heated for washing or showering. When this function is activated,
the associated parameters are then queried. Pay attention to information on the display.
Menu item
Parameter
Factory setting
Domestic hot-water heating
Activated
Deactivated
Deactivated
Storage tank set temperature
Desired temperature for the domestic hot water.
If there is a solar yield, the storage tank can become substantially warmer. The maximum temperature for
solar charging can be modified under Settings/Solar/Storage tank.
For efficiency reasons, the lowest possible set temperature should be selected. If the available quantity of
hot water is insufficient, the value should be increased. Pay attention to the maximum temperature of the
heat pump.
Menu item
Parameter
Factory setting
Storage tank set temp.
40 °C - 65 °C
Factory recommendation 45°C
Hot water circulation
If there is a hot water circulation pump in the building, which you are intending to operate in an energy-
saving manner using the controller, this function must be activated.
Menu item
Parameter
Factory setting
Hot water circulation
Deactivated
As required
Activated
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